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Finding the Fourth Proportional to 809,605.44, 1,214,410.08 and 248,639.04

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Solution

The fourth proportional to 809,605.44, 1,214,410.08 and 248,639.04 is: 372,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,605.44 : 1,214,410.08 = 248,639.04 : x
  2. Step 2: Convert to fraction form
    809,605.44/1,214,410.08 = 248,639.04/x
  3. Step 3: Cross multiply
    809,605.44x = 1,214,410.08 × 248,639.04
  4. Step 4: Simplify right side
    809,605.44x = 301,949,756,457.52
  5. Step 5: Solve for x
    x = 301,949,756,457.52/809,605.44
  6. Step 6: Final answer
    x = 372,959.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.